>From what I remember hook is at line 42. We reported bugs to Oracle bug, ...
| package oracle.jdbc.driver;
|
| import java.sql.SQLException;
|
| import oracle.core.lmx.CoreException;
|
| // Referenced classes of package oracle.jdbc.driver:
| // VarnumBinder, OraclePreparedStatement
|
| class DoubleBinder extends VarnumBinder
| {
|
| DoubleBinder()
| {
| digits = new char[20];
| }
|
| void bind(OraclePreparedStatement stmt, int bindPosition, int
rankInBuffer, int rank, byte bindBytes[], char bindChars[], short
bindIndicators[],
| int bytePitch, int charPitch, int byteoffset, int charoffset,
int lenoffset, int indoffset, boolean clearPriorBindValues)
| throws SQLException
| {
|
| byte b[] = bindBytes;
| int offset = byteoffset + 1;
| double val = stmt.parameterDouble[rank][bindPosition];
| int len = 0;
| if(val == 0.0D)
| {
| b[offset] = -128;
| len = 1;
| } else
| if(val == (1.0D / 0.0D))
| {
| b[offset] = -1;
| b[offset + 1] = 101;
| len = 2;
| } else
| if(val == (-1.0D / 0.0D))
| {
| b[offset] = 0;
| len = 1;
| } else if (Double.isNaN(val)) {
| b[offset] = -1;
| b[offset+1] = (byte)0xf8;
| len = 2;
| } else
| {
| boolean neg = val < 0.0D;
| if(neg)
| val = -val;
| long bits = Double.doubleToLongBits(val);
| int rawExponent = (int)(bits >> 52 & 2047L);
| int guess = (rawExponent <= 1023 ? 127 : 126) -
(int)((double)(rawExponent - 1023) / 6.6438561897747253D);
| if(guess < 0)
| {
| SQLException ex = new
SQLException(CoreException.getMessage((byte)3) + " trying to bind " + val);
| throw ex;
| }
| if(guess > 192)
| {
| SQLException ex = new
SQLException(CoreException.getMessage((byte)2) + " trying to bind " + val);
| throw ex;
| }
| if(val > factorTable[guess])
| while(guess > 0 && val > factorTable[--guess]) ;
| else
| for(; guess < 193 && val <= factorTable[guess + 1];
guess++);
| if(val == factorTable[guess])
| {
| if(guess < 65)
| {
| SQLException ex = new
SQLException(CoreException.getMessage((byte)3) + " trying to bind " + val);
| throw ex;
| }
| if(guess > 192)
| {
| SQLException ex = new
SQLException(CoreException.getMessage((byte)2) + " trying to bind " + val);
| throw ex;
| }
| if(neg)
| {
| b[offset] = (byte)(62 - (127 - guess));
| b[offset + 1] = 100;
| b[offset + 2] = 102;
| len = 3;
| } else
| {
| b[offset] = (byte)(192 + (128 - guess));
| b[offset + 1] = 2;
| len = 2;
| }
| } else
| {
| if(guess < 64)
| {
| SQLException ex = new
SQLException(CoreException.getMessage((byte)3) + " trying to bind " + val);
| throw ex;
| }
| if(guess > 191)
| {
| SQLException ex = new
SQLException(CoreException.getMessage((byte)2) + " trying to bind " + val);
| throw ex;
| }
| long dBits = neg ? bits & 0x7fffffffffffffffL : bits;
| long fractBits = dBits & 0xfffffffffffffL;
| int binExp = rawExponent;
| char digits[] = stmt.digits;
| int nSignificantBits;
| if(binExp == 0)
| {
| while((fractBits & 0x10000000000000L) == 0L)
| {
| fractBits <<= 1;
| binExp--;
| }
| nSignificantBits = 53 + binExp;
| binExp++;
| } else
| {
| fractBits |= 0x10000000000000L;
| nSignificantBits = 53;
| }
| binExp -= 1023;
| len = dtoa(b, offset, val, neg, false, digits, binExp,
fractBits, nSignificantBits);
| }
| }
| b[byteoffset] = (byte)len;
| bindIndicators[indoffset] = 0;
| bindIndicators[lenoffset] = (short)(len + 1);
| }
|
| char digits[];
| }
|
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